<html>
<body>
<a id="blabla" href="/" rel="nofollow"><b>AAA</b><u id="ble">UUU</u></a>
<b id="empty"></b>
<script>
function aa()
{
	window.alert(document.getElementById('blabla').childElementCount);
}

function bb()
{
	window.alert(document.getElementById('empty').childElementCount);
}

</script>
<button onclick="return aa()">blabla child element count</button>
<button onclick="return bb()">empty child element count</button>
</body>
</html>
